Automobile air conditioning air inlet box structure

Abstract

The present invention belongs to the field of automobile air conditioning, and relates to an automobile air conditioning air inlet box structure, including an air inlet box housing and an inner circulation damper, a first outer circulation damper, and a second outer circulation damper rotatably arranged in the air inlet box housing, wherein the second outer circulation damper is sleeved in the first outer circulation damper; the first outer circulation damper and the inner circulation damper are independently arranged in parallel; and a motion module for driving the inner circulation damper, the first outer circulation damper, and the second outer circulation damper is also provided on the air inlet housing. The present invention can realize adjustable air volume through the combination of the first outer circulation damper and the second outer circulation damper, and can increase the inner wind compensation of the inner circulation damper according to demand, so that the temperature inside the vehicle can be adjusted to the required temperature as soon as possible, reduce energy loss, and improve the performance of automobile air conditioning.

Description

Technical Field

[0001] The invention belongs to the field of automobile air conditioning and relates to an automobile air conditioning air inlet box structure Background Art

[0002] In the prior art, fresh air enters the air inlet box from the fresh air inlet of the air inlet box, and the air inside the vehicle enters from the internal circulation air inlet of the air inlet box. During the driving process of the vehicle, the switching of the internal / external circulation mode is realized through the mode mechanism such as the connecting rod rocker arm.

[0003] In this structural form, the external circulation air volume cannot be adjusted. When the car is driving at high speed, if the internal and external circulation are turned on at the same time, the external circulation fresh air speed is too high, while the internal circulation wind speed is too low, resulting in the internal circulation air volume being too small to compensate for the small air volume, making it difficult for the temperature inside the car to reach the ideal temperature as soon as possible, affecting user satisfaction and comfort, while reducing the energy efficiency of the car air conditioner and increasing energy consumption. If the external circulation is turned off and only the internal circulation is turned on, the air in the car will not circulate, the air quality will be poor, and the riding comfort will be affected. Summary of the invention

[0004] In view of this, an object of the present invention is to provide an automobile air-conditioning air inlet box structure, which increases the compensating air volume and reduces the fresh air volume under the condition of limited space.

[0005] In order to achieve the above object, the present invention provides the following technical solutions:

[0006] A car air-conditioning air inlet box structure comprises an air inlet box shell and an inner circulation damper, a first outer circulation damper and a second outer circulation damper rotatably arranged in the air inlet box shell, wherein the second outer circulation damper is sleeved in the first outer circulation damper; the first outer circulation damper is independently arranged in parallel with the inner circulation damper; the air inlet shell is also provided with a motion module for driving the inner circulation damper, the first outer circulation damper and the second outer circulation damper.

[0007] Optionally, the motion module includes a cam plate, and the cam plate is provided with a first track groove, a second track groove, and a third track groove for controlling the motion trajectories of the inner circulation damper, the first outer circulation damper, and the second outer circulation damper, respectively.

[0008] Optionally, the shaft side of the internal circulation damper is connected to the internal circulation connecting rod through an internal circulation rocker arm, and one end of the internal circulation connecting rod away from the internal circulation rocker arm is located in the first track groove.

[0009] Optionally, a pin is provided on the side where the inner circulation rocker arm is connected to the inner circulation connecting rod and the inner circulation rocker arm, and a pin hole matching the pin is provided on the inner circulation rocker arm; the inner circulation rocker arm is connected to the shaft side of the inner circulation damper through a spline.

[0010] Optionally, the inner circulation connecting rod is fixed to the outer side of the air inlet box housing by means of a pin-hole fit and is rotatably arranged around the air inlet box housing.

[0011] Optionally, the second external circulation damper is sleeved on the outside of the first external circulation damper through a second connecting rod, the second connecting rod is connected to a third connecting rod through a second rocker arm, and one end of the third connecting rod away from the second rocker arm is located in a third track groove.

[0012] Optionally, the second rocker arm is connected to the second connecting rod via a spline, a pin is provided on one side of the third connecting rod connected to the second rocker arm, and a pin hole matching the pin is provided on the second rocker arm.

[0013] Optionally, a first rocker arm is sleeved on the outer side of the second connecting rod, the first rocker arm is connected to the first connecting rod, and one end of the first connecting rod away from the first rocker arm is located in the second track groove of the cam plate.

[0014] Optionally, the first rocker arm is connected to the first connecting rod via a gear spline.

[0015] Optionally, the first connecting rod and the second connecting rod are both fixed to the outside of the air inlet box housing by means of pin-hole matching, and are rotatably arranged around the air inlet box housing.

[0016] Optionally, a base for fixing the cam disc is also included.

[0017] Optionally, an actuator is also included, which is arranged on the cam plate, and the actuator drives the cam plate to rotate to realize the movement of the inner circulation damper, the first outer circulation damper, and the second outer circulation damper.

[0018] The beneficial effects of the present invention are:

[0019] The present invention can adjust the opening and closing angles of the first outer circulation damper and the second outer circulation damper according to the vehicle speed during the vehicle operation. For example, when driving at high speed, the first outer circulation damper is opened, and the second outer circulation damper can adjust the opening and closing angles according to demand, and realize air conditioning together with the inner circulation damper. Therefore, the present invention can realize adjustable air volume through the combination of the first outer circulation damper and the second outer circulation damper, and can increase the inner wind compensation of the inner circulation damper according to demand, so that the temperature inside the vehicle can be adjusted to the required temperature as soon as possible, reduce energy loss, and improve the performance of automobile air conditioning.

[0020] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and to some extent, will be obvious to those skilled in the art based on the following examination and study, or can be taught from the practice of the present invention. The objectives and other advantages of the present invention can be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be described in detail below in conjunction with the accompanying drawings, wherein:

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 An exploded view of the present invention;

[0024] Figure 3 for Figure 2 Assembly state diagram;

[0025] Figure 4 Schematic diagram of the structure of the cam plate. DETAILED DESCRIPTION

[0026] The following describes the embodiments of the present invention by specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the illustrations provided in the following embodiments only illustrate the basic concept of the present invention in a schematic manner, and the following embodiments and features in the embodiments can be combined with each other without conflict.

[0027] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on the present invention. In order to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of actual products. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0028] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "front", "rear", etc. indicate the orientation or position relationship, they are based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting the present invention. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0029] See also Figure 1-Figure 3The component numbers in the accompanying drawings respectively represent: actuator 1, base 2, cam plate 3, internal circulation connecting rod 4, internal circulation rocker arm 5, internal circulation damper 6, second external circulation damper 7, first external circulation damper 8, first rocker arm 9, first connecting rod 10, second connecting rod 11, second rocker arm 12, third connecting rod 13, air inlet box housing 14.

[0030] The present invention relates to an air inlet box structure for an automobile air conditioner, comprising an air inlet box shell 14 and an inner circulation damper 6, a first outer circulation damper 8, and a second outer circulation damper 7 rotatably arranged in the air inlet box shell 14, wherein the second outer circulation damper 7 is sleeved in the first outer circulation damper 8; the first outer circulation damper 8 and the inner circulation damper 6 are independently arranged in parallel; and a motion module for driving the inner circulation damper 6, the first outer circulation damper 8, and the second outer circulation damper 7 is also provided on the air inlet shell.

[0031] The motion module includes a cam plate 3, on which a first track groove, a second track groove, and a third track groove are provided for controlling the motion trajectories of an inner circulation damper 6, a first outer circulation damper 8, and a second outer circulation damper 7, respectively; the axial side of the inner circulation damper 6 is connected to the inner circulation connecting rod 4 through an inner circulation rocker arm 5, and the end of the inner circulation connecting rod 4 away from the inner circulation rocker arm 5 is located in the first track groove.

[0032] The inner circulation rocker arm 5 is connected to the inner circulation connecting rod 4 on one side thereof, and a pin shaft is provided on the inner circulation rocker arm 5, and a pin hole matching with the inner circulation rocker arm 5 is provided; the inner circulation rocker arm 5 is connected to the shaft side of the inner circulation damper 6 through a spline; the inner circulation connecting rod 4 is fixed to the outside of the air inlet box housing 14 by means of a pin hole matching manner, and is rotatably arranged around the air inlet box housing 14.

[0033] The second external circulation damper 7 is inserted into the outside of the first external circulation damper 8 through the second connecting rod 11, and the second connecting rod 11 is connected to the third connecting rod 13 through the second rocker arm 12, and the end of the third connecting rod 13 away from the second rocker arm 12 is located in the third track groove; the second rocker arm 12 and the second connecting rod 11 are connected by a spline, and a pin is provided on the side where the third connecting rod 13 is connected to the second rocker arm 12, and a pin hole matching with the third connecting rod 13 is provided on the second rocker arm 12.

[0034] A first rocker arm 9 is sleeved on the outside of the second connecting rod 11, and the first rocker arm 9 is connected to the first connecting rod 10. The end of the first connecting rod 10 away from the first rocker arm 9 is located in the second track groove of the cam plate 3; the first rocker arm 9 is connected to the first connecting rod 10 through a gear spline; the first connecting rod 10 and the second connecting rod 11 are fixed to the outside of the air inlet box housing 14 by pin hole matching, and are rotatably arranged around the air inlet box housing 14.

[0035] In this embodiment, the scheme also includes a base 2 for fixing the cam disc 3; it also includes an actuator 1, which is arranged on the cam disc 3, and the actuator 1 drives the cam disc 3 to rotate to realize the movement of the inner circulation damper 6, the first outer circulation damper 8, and the second outer circulation damper 7.

[0036] Specifically, the second outer circulation damper 7 is connected by the second connecting rod 11 and sleeved outside the first outer circulation damper 8, the second rocker arm 12 and the second connecting rod 11 are spline-connected, and one side pin of the third connecting rod 13 is located in the pin hole of the second rocker arm 12, and the other side pin is located in the track groove of the cam plate 3;

[0037] The first rocker arm 9 is sleeved outside the second connecting rod 11 and connected to the first connecting rod 10 by a gear spline. The pin on the first connecting rod 10 is located in the track groove of the cam plate 3.

[0038] The shaft side of the inner circulation damper 6 is spline-connected to the inner circulation rocker arm 5. The pin on one side of the inner circulation connecting rod 4 is located in the pin hole of the inner circulation rocker arm 5, and the pin on the other side is located in the track groove of the cam plate 3.

[0039] Then, the actuator 1 drives the cam plate 3 to rotate to realize the movement of the three dampers.

[0040] Among them, the second connecting rod 11 adopts a spline design at both ends; the first rocker arm 9 and the first connecting rod 10 adopt an external gear meshing method; the inner circulation connecting rod 4, the first connecting rod 10, and the third connecting rod 13 are all fixed to the outside of the air inlet box shell 14 by pin-hole matching, and can rotate freely around the pin on the shell.

[0041] During the driving process of the car, the opening and closing angle of the outer circulation damper can be adjusted according to the different vehicle speeds. For example, when driving at high speed, the first outer circulation damper 8 is opened, and the second outer circulation damper 7 can adjust the opening and closing angle according to demand to achieve air conditioning together with the inner circulation damper 6.

[0042] The characteristic of this design is that the outer circulation damper formed by the combination of the first outer circulation damper 8 and the second outer circulation damper 7 is adjustable. The inner wind compensation of the inner circulation damper 6 is increased according to the demand, so that the temperature inside the car can be adjusted to the required temperature as soon as possible, reducing energy loss and improving the performance of the car air conditioner.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution, which should be included in the scope of the claims of the present invention.

Claims

1. An automobile air-conditioning air inlet box structure, characterized in that: It comprises an air inlet box housing and an inner circulation damper, a first outer circulation damper and a second outer circulation damper rotatably arranged in the air inlet box housing, wherein the second outer circulation damper is sleeved in the first outer circulation damper; the first outer circulation damper and the inner circulation damper are independently arranged in parallel; the air inlet box housing is also provided with a motion module for driving the inner circulation damper, the first outer circulation damper and the second outer circulation damper; The motion module comprises a cam plate, on which a first track groove, a second track groove and a third track groove are respectively provided for controlling the motion tracks of the inner circulation damper, the first outer circulation damper and the second outer circulation damper; The second external circulation damper is sleeved inside the first external circulation damper through a second connecting rod, the second connecting rod is connected to a third connecting rod through a second rocker arm, and an end of the third connecting rod away from the second rocker arm is located in a third track groove; A first rocker arm is sleeved on the outer side of the second connecting rod, the first rocker arm is connected to the first connecting rod, and one end of the first connecting rod away from the first rocker arm is located in the second track groove of the cam plate; The first rocker arm is connected to the first connecting rod via a gear spline; The first connecting rod and the second connecting rod are both fixed to the outer side of the air inlet box housing by means of pin-hole matching, and are rotatably arranged around the air inlet box housing.

2. The automobile air-conditioning air inlet box structure as claimed in claim 1, characterized in that: The shaft side of the inner circulation damper is connected to the inner circulation connecting rod through the inner circulation rocker arm, and one end of the inner circulation connecting rod away from the inner circulation rocker arm is located in the first track groove.

3. The automobile air-conditioning air inlet box structure as claimed in claim 2, characterized in that: A pin is provided on one side of the inner circulation connecting rod connected to the inner circulation rocker arm, and a pin hole matching the pin is provided on the inner circulation rocker arm; the inner circulation rocker arm is connected to the shaft side of the inner circulation damper through a spline.

4. The automobile air-conditioning air inlet box structure as claimed in claim 2, characterized in that: The inner circulation connecting rod is fixed to the outer side of the air inlet box housing by means of a pin-hole fit, and is rotatably arranged around the air inlet box housing.

5. The automobile air conditioning air inlet box structure as claimed in claim 1, characterized in that: The second rocker arm is connected to the second connecting rod via a spline, a pin is provided on one side of the third connecting rod connected to the second rocker arm, and a pin hole matching the pin is provided on the second rocker arm.

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